Home / 5,733.90-7,912.80-3,216.12

Finding the Fourth Proportional to 5,733.90, 7,912.80 and 3,216.12

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Solution

The fourth proportional to 5,733.90, 7,912.80 and 3,216.12 is: 4,438.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,733.90 : 7,912.80 = 3,216.12 : x
  2. Step 2: Convert to fraction form
    5,733.90/7,912.80 = 3,216.12/x
  3. Step 3: Cross multiply
    5,733.90x = 7,912.80 × 3,216.12
  4. Step 4: Simplify right side
    5,733.90x = 25,448,514.34
  5. Step 5: Solve for x
    x = 25,448,514.34/5,733.90
  6. Step 6: Final answer
    x = 4,438.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.